glibc/libio/stdio.h

/* This is part of the iostream/stdio library, providing -*- C -*- I/O.
   Define ANSI C stdio on top of C++ iostreams.
   Copyright (C) 1991, 1994, 1995, 1996 Free Software Foundation, Inc.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.


This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

/*
 *	ANSI Standard: 4.9 INPUT/OUTPUT <stdio.h>
 */

#ifndef _STDIO_H
#define _STDIO_H
#define _STDIO_USES_IOSTREAM

#include <libio.h>

#ifndef NULL
#ifdef __cplusplus
#define NULL 0
#else
#define NULL (void*)0
#endif
#endif

#ifndef EOF
#define EOF (-1)
#endif
#ifndef BUFSIZ
#define BUFSIZ 1024
#endif

#define _IOFBF 0 /* Fully buffered. */
#define _IOLBF 1 /* Line buffered. */
#define _IONBF 2 /* No buffering. */

#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2

 /* define size_t.  Crud in case <sys/types.h> has defined it. */
#if !defined(_SIZE_T) && !defined(_T_SIZE_) && !defined(_T_SIZE)
#if !defined(__SIZE_T) && !defined(_SIZE_T_) && !defined(___int_size_t_h)
#if !defined(_GCC_SIZE_T) && !defined(_SIZET_)
#define _SIZE_T
#define _T_SIZE_
#define _T_SIZE
#define __SIZE_T
#define _SIZE_T_
#define ___int_size_t_h
#define _GCC_SIZE_T
#define _SIZET_
typedef _IO_size_t size_t;
#endif
#endif
#endif

typedef struct _IO_FILE FILE;
typedef _IO_fpos_t fpos_t;

#define FOPEN_MAX     _G_FOPEN_MAX
#define FILENAME_MAX _G_FILENAME_MAX
#define TMP_MAX 999 /* Only limited by filename length */

#define L_ctermid     9
#define L_cuserid     9
#define P_tmpdir      "/tmp"
#define L_tmpnam      20

/* For use by debuggers. These are linked in if printf or fprintf are used. */
extern FILE *stdin, *stdout, *stderr; /* TODO */

#define stdin _IO_stdin
#define stdout _IO_stdout
#define stderr _IO_stderr

#ifdef __cplusplus
extern "C" {
#endif

#ifndef __P
#if defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)
#define __P(args) args
#else
#define __P(args) ()
#endif
#endif /*!__P*/

extern void clearerr __P ((FILE*));
extern int fclose __P ((FILE*));
extern int feof __P ((FILE*));
extern int ferror __P ((FILE*));
extern int fflush __P ((FILE*));
extern int fgetc __P ((FILE *));
extern int fgetpos __P ((FILE* fp, fpos_t *pos));
extern char* fgets __P ((char*, int, FILE*));
extern FILE* fopen __P ((__const char*, __const char*));
extern int fprintf __P ((FILE*, __const char* format, ...));
extern int fputc __P ((int, FILE*));
extern int fputs __P ((__const char *str, FILE *fp));
extern size_t fread __P ((void*, size_t, size_t, FILE*));
extern FILE* freopen __P ((__const char*, __const char*, FILE*));
extern int fscanf __P ((FILE *fp, __const char* format, ...));
extern int fseek __P ((FILE* fp, long int offset, int whence));
extern int fsetpos __P ((FILE* fp, __const fpos_t *pos));
extern long int ftell __P ((FILE* fp));
extern size_t fwrite __P ((__const void*, size_t, size_t, FILE*));
extern int getc __P ((FILE *));
extern int getchar __P ((void));
extern char* gets __P ((char*));
extern void perror __P ((__const char *));
extern int printf __P ((__const char* format, ...));
extern int putc __P ((int, FILE *));
extern int putchar __P ((int));
extern int puts __P ((__const char *str));
extern int remove __P ((__const char*));
extern int rename __P ((__const char* _old, __const char* _new));
extern void rewind __P ((FILE*));
extern int scanf __P ((__const char* format, ...));
extern void setbuf __P ((FILE*, char*));
extern void setlinebuf __P ((FILE*));
extern void setbuffer __P ((FILE*, char*, int));
extern int setvbuf __P ((FILE*, char*, int mode, size_t size));
extern int sprintf __P ((char*, __const char* format, ...));
extern int sscanf __P ((__const char* string, __const char* format, ...));
extern FILE* tmpfile __P ((void));
extern char* tmpnam __P ((char*));
extern int ungetc __P ((int c, FILE* fp));
extern int vfprintf __P ((FILE *fp, char __const *fmt0, _G_va_list));
extern int vprintf __P ((char __const *fmt, _G_va_list));
extern int vsprintf __P ((char* string, __const char* format, _G_va_list));

#ifndef __STRICT_ANSI__
extern int dprintf __P ((int, __const char *, ...));
extern int vdprintf __P ((int, __const char *, _G_va_list));
extern int vfscanf __P ((FILE*, __const char *, _G_va_list));
extern int vscanf __P ((__const char *, _G_va_list));
extern int vsscanf __P ((__const char *, __const char *, _G_va_list));
#endif

#if !defined(__STRICT_ANSI__) || defined(_POSIX_SOURCE)
extern FILE *fdopen __P ((int, __const char *));
extern int fileno __P ((FILE*));
extern FILE* popen __P ((__const char*, __const char*));
extern int pclose __P ((FILE*));
#endif

#ifdef __USE_GNU
extern _IO_ssize_t getdelim __P ((char **, size_t *, int, FILE*));
extern _IO_ssize_t getline __P ((char **, size_t *, FILE *));

extern int snprintf __P ((char *, size_t, __const char *, ...));
extern int __snprintf __P ((char *, size_t, __const char *, ...));
extern int vsnprintf __P ((char *, size_t, __const char *, _G_va_list));

extern int asprintf __P ((char **, const char *, ...));
extern int vasprintf __P ((char **, const char *, _G_va_list));

/* Open a stream that writes into a malloc'd buffer that is expanded as
   necessary.  *BUFLOC and *SIZELOC are updated with the buffer's location
   and the number of characters written on fflush or fclose.  */
extern FILE *open_memstream __P ((char **__bufloc, size_t *__sizeloc));
#endif

extern int __underflow __P ((struct _IO_FILE*));
extern int __overflow __P ((struct _IO_FILE*, int));

#define getc(fp) _IO_getc (fp)
#define putc(c, fp) _IO_putc (c, fp)
#define putchar(c) putc (c, stdout)
#define getchar() getc (stdin)

#ifdef  __USE_BSD
extern int sys_nerr;
extern const char *const sys_errlist[];
#endif
#ifdef  __USE_GNU
extern int _sys_nerr;
extern const char *const _sys_errlist[];
#endif

#ifdef __cplusplus
}
#endif

#endif /* !_STDIO_H */